From: "J-P. Rosen" <rosen@adalog.fr>
Subject: Re: Ensuring postconditions in the face of exceptions
Date: Mon, 15 Mar 2010 15:16:12 +0100
Date: 2010-03-15T15:16:12+01:00 [thread overview]
Message-ID: <hnlffd$5da$1@news.eternal-september.org> (raw)
In-Reply-To: <8e4c1204-f8a3-4cf5-801e-c6f51eab0ac6@i25g2000yqm.googlegroups.com>
Ludovic Brenta a �crit :
>> May be a (6) option is to create a tagged type ?
>
> I see this as a variant of (2) and has the same drawbacks. In this
> case I would have to explain why I use a tagged type that has no
> primitive operations (the procedure Refresh does not have to be
> primitive for this type) and no type extensions .
>
Proposal (7):
Make Dirty a (limited) private type -say Status- with functions Is_Dirty
and Is_Clean. You are then free to implement it as a by-reference type.
If it's a mess, hide it...
--
---------------------------------------------------------
J-P. Rosen (rosen@adalog.fr)
Visit Adalog's web site at http://www.adalog.fr
next prev parent reply other threads:[~2010-03-15 14:16 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-12 9:13 Ensuring postconditions in the face of exceptions Ludovic Brenta
2010-03-12 9:24 ` Ludovic Brenta
2010-03-12 9:29 ` Niklas Holsti
2010-03-12 11:08 ` Ludovic Brenta
2010-03-12 14:00 ` Jeffrey R. Carter
2010-03-13 3:15 ` Randy Brukardt
2010-03-13 15:14 ` Robert A Duff
2010-03-16 3:13 ` Randy Brukardt
2010-03-16 15:18 ` Robert A Duff
2010-03-16 19:00 ` Adam Beneschan
2010-03-16 20:04 ` Robert A Duff
2010-03-16 23:23 ` Randy Brukardt
2010-03-13 17:34 ` Jeffrey R. Carter
2010-03-13 7:54 ` Stephen Leake
[not found] ` <ruqub2y84rqj.179q01lxzgatj$.dlg@40tude.net>
2010-03-13 19:33 ` Georg Bauhaus
2010-03-14 14:05 ` Alex Mentis
2010-03-14 14:21 ` Ludovic Brenta
2010-03-14 15:12 ` Alex Mentis
2010-03-15 9:14 ` Ludovic Brenta
2010-03-15 11:05 ` cjpsimon
2010-03-15 13:04 ` Ludovic Brenta
2010-03-15 14:16 ` J-P. Rosen [this message]
2010-03-15 19:14 ` Jeffrey R. Carter
2010-03-16 19:25 ` Robert Matthews
2010-03-14 15:38 ` Robert A Duff
2010-03-15 8:54 ` Ludovic Brenta
2010-03-15 16:44 ` Robert A Duff
2010-03-15 17:33 ` Ludovic Brenta
2010-03-15 18:36 ` Robert A Duff
2010-03-14 18:57 ` Jeffrey R. Carter
2010-03-15 8:56 ` Ludovic Brenta
2010-03-15 11:04 ` AdaMagica
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